Newborn with respiratory distress

CXR of endotracheal tube in the right mainstem bronchus and after it is pulled back
CXR AP (above) shows an endotracheal tube with its tip projecting deep within the right mainstem bronchus. There is complete atelectasis of the left lung with mediastinal shift to the left. CXR AP (below) was obtained after the endotracheal tube tip had been pulled back to an appropriate position between the clavicles and the carina with subsequent complete re-expansion of the left lung.

The diagnosis was an endotracheal tube positioned too deep in the right mainstem bronchus.